Home / 17,145,037.80-25,747,047.90-12,131,533.80

Finding the Fourth Proportional to 17,145,037.80, 25,747,047.90 and 12,131,533.80

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Solution

The fourth proportional to 17,145,037.80, 25,747,047.90 and 12,131,533.80 is: 18,218,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145,037.80 : 25,747,047.90 = 12,131,533.80 : x
  2. Step 2: Convert to fraction form
    17,145,037.80/25,747,047.90 = 12,131,533.80/x
  3. Step 3: Cross multiply
    17,145,037.80x = 25,747,047.90 × 12,131,533.80
  4. Step 4: Simplify right side
    17,145,037.80x = 312,351,181,849,069
  5. Step 5: Solve for x
    x = 312,351,181,849,069/17,145,037.80
  6. Step 6: Final answer
    x = 18,218,168.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.